package li;

import java.util.Scanner;

public class day95 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入手机号");
        String  sjh=sc.nextLine();
        String  start=sjh.substring(0,3);
        String   end=sjh.substring(7);
        String  newSJH=start+"****"+end;

        System.out.println("屏蔽后的手机号"+newSJH);







    }
}
